402150545340 has 48 divisors (see below), whose sum is σ = 1141446491808. Its totient is φ = 105771101184.

The previous prime is 402150545323. The next prime is 402150545341. The reversal of 402150545340 is 43545051204.

It is a super-2 number, since 2×402150545340² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402150545341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45903217 + ... + 45911976.

It is an arithmetic number, because the mean of its divisors is an integer number (23780135246).

Almost surely, 2^402150545340 is an apocalyptic number.

It is an amenable number.

402150545340 is an abundant number, since it is smaller than the sum of its proper divisors (739295946468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402150545340 is a wasteful number, since it uses less digits than its factorization.

402150545340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91815278 (or 91815276 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 402150545340 its reverse (43545051204), we get a palindrome (445695596544).

The spelling of 402150545340 in words is "four hundred two billion, one hundred fifty million, five hundred forty-five thousand, three hundred forty".